2.3- Acids And Bases

Question 1

What happens when water ionizes?

H-O-H -> ?

Answer 1

It releases and equal number of H+ and OH-

H-O-H -> H+ + OH-

Question 2

Acidic solutions have a high concentration of _____ and a pH level ________ .

Answer 2

H+

Less than 7

Question 3

When acids dissociate in water they release _____.

Answer 3

H+

Question 4

Basic solutions have a low ______ concentration and a ph level ___________.

Answer 4

H+ (high OH-)

Greater than 7

Question 5

Basic solutions either take up ______ or release ______ when dissociated.

Answer 5

H+

OH-

Question 6

A neutral pH level is __.

Answer 6

7

Question 7

What is a buffer?

Answer 7

A chemical or combination of chemicals that keeps pH within normal limits, they resist pH changes by taking up excess H+ and OH-.